FR1538814A - Key switch - Google Patents

Key switch

Info

Publication number
FR1538814A
FR1538814A FR49065A FR69049065A FR1538814A FR 1538814 A FR1538814 A FR 1538814A FR 49065 A FR49065 A FR 49065A FR 69049065 A FR69049065 A FR 69049065A FR 1538814 A FR1538814 A FR 1538814A
Authority
FR
France
Prior art keywords
key switch
key
switch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR49065A
Other languages
French (fr)
Inventor
Walter Holzer
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR1538814A publication Critical patent/FR1538814A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/72—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard wherein the switch has means for limiting the number of operating members that can concurrently be in the actuated position
    • H01H13/74—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard wherein the switch has means for limiting the number of operating members that can concurrently be in the actuated position each contact set returning to its original state only upon actuation of another of the operating members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
FR49065A 1966-08-26 1967-08-25 Key switch Expired FR1538814A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH0060340 1966-08-26

Publications (1)

Publication Number Publication Date
FR1538814A true FR1538814A (en) 1968-09-06

Family

ID=7160922

Family Applications (1)

Application Number Title Priority Date Filing Date
FR49065A Expired FR1538814A (en) 1966-08-26 1967-08-25 Key switch

Country Status (5)

Country Link
US (1) US3496311A (en)
DE (1) DE1640333B1 (en)
ES (1) ES344743A1 (en)
FR (1) FR1538814A (en)
GB (1) GB1201658A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3886335A (en) * 1973-01-26 1975-05-27 Ind Electronics Engineers Inc Collated cable matrix switch

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1584010A (en) * 1923-11-12 1926-05-11 Mitchell Co R Electrical switch
FR956054A (en) * 1946-03-20 1950-01-24
US2691702A (en) * 1949-03-17 1954-10-12 Grigsby Allison Company Inc Push-button electric switch
US2831075A (en) * 1956-02-13 1958-04-15 Switchcraft Push button switches
DE1765823U (en) * 1958-03-07 1958-04-30 Eugen Sasse K G Dr BUTTON SWITCH UNIT WITH FUSE AGAINST THE SIMULTANEOUS ACTIVATION OF TWO OR MORE BUTTON SWITCHES.
DE1766172U (en) * 1958-03-13 1958-05-08 Robert Seuffer K G KEY ARRANGEMENT.
DE1767092U (en) * 1958-03-20 1958-05-22 Schoeller & Co Elektrotech ROW KEY SWITCHES WITH PRINTED WIRING.
GB870028A (en) * 1958-08-20 1961-06-07 Schoeller & Co Improvements in or relating to multiple push-button electrical switches
DE1776463U (en) * 1958-08-20 1958-10-30 Schoeller & Co Elektrotech MULTIPLE PUSH SWITCH WITH TWO CONTACT PLATES.
DE1796765U (en) * 1958-11-29 1959-10-01 Preh Elektro Feinmechanik KEY SWITCHES WITH SLIDING KEYS.
DE1806166U (en) * 1959-05-16 1960-02-18 Preh Elektro Feinmechanik KEY SWITCHES WITH A LOCKING LINK IN THE SHAPE OF A SO-CALLED FORWARD LEVER.
DE1826259U (en) * 1960-05-02 1961-02-09 Philips Nv SLIDING SWITCH ON AN INSULATING PLATE, IN PARTICULAR FOR RADIO RECEIVERS WITH PRINTED WIRING.
DE1839996U (en) * 1961-01-10 1961-10-26 Preh Elektro Feinmechanik KEY SWITCHES WITH MUTUAL RELEASE KEYS.
BE631062A (en) * 1962-04-20
DE1223441B (en) * 1963-06-19 1966-08-25 Philips Nv Key arrangement for recording and / or playback devices
DE1719414B2 (en) * 1964-11-17 1973-05-10 PREVENT THE SEDIMENTATION OF PIGMENT SUSPENSIONS
US3346706A (en) * 1966-07-14 1967-10-10 Gen Electric Pushbutton switch with improved slider means for optional circuit selection
DE1807974A1 (en) * 1968-11-09 1970-07-30 Falke Rohen Fa Franz Fine-mesh panty hose

Also Published As

Publication number Publication date
GB1201658A (en) 1970-08-12
ES344743A1 (en) 1968-10-16
DE1640333B1 (en) 1971-03-04
US3496311A (en) 1970-02-17

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